添加链接失效反馈后端及数据库；登陆改为登录

bookshelfplus/src/main/java/plus/bookshelf/Service/Model/FailureFeedbackModel.java

@@ -0,0 +1,19 @@
+package plus.bookshelf.Service.Model;
+
+import lombok.Data;
+
+import java.util.Date;
+
+@Data
+public class FailureFeedbackModel {
+
+    private Integer bookId;
+
+    private Integer fileId;
+
+    private Integer fileObjectId;
+
+    private Integer userId;
+
+    private Date createTime;
+}